Welcome

We at Orange County Speech Services are committed to providing top quality speech and language therapy, occupational therapy, and physical therapy to our clients, their families and the Southern California medical community.

Our Team

Speech Therapists
Elizabeth Mitchell

M.S., SLP, Director OC Speech Services (Speech Therapist)

Elizabeth received a Bachelor of Arts at the University of California, Santa Barbara, in Interdisciplinary Studies (Psychology, Linguistics and Speech & Hearing Science) in 2002, and her Masters of Science in Speech Pathology in 2005 from Cal State University, Northridge. She has specialized training and certificates including Stanley Greenspan’s DIR/Floortime therapy approach, the Lindamood-Bell Advanced workshops in auditory comprehension and Visualizing to Verbalizing, Beckman Oral Motor Program techniques, and PROMPT therapy training.

 

Elizabeth began her career in a pediatric outpatient hospital setting co-treating with physical and occupational therapists, and has worked extensively in the public school system and in early intervention with children with Autism Spectrum Disorder, and a variety of deficits in articulation, oral motor, feeding, auditory processing, reading, social/pragmatics and expressive and receptive language.

 

Elizabeth is a licensed Speech & Language Pathologist and Clinical Director/Owner of Orange County Speech Services.  She is certified member of the California Speech and Hearing Association, a lifelong resident of Southern California, and the mother of three beautiful children.

Christine Daffer

B.S., SLPA (Speech Therapist, ABA Specialist)

Christine has worked at Orange County Speech Services since 2015.  She is licensed with the state of California as a Speech Language Pathology Assistant and graduated from Utah State University with a B.S. Degree in Communicative Disorders.

 

Christine works with children on the Autism Spectrum and has been an ABA Specialist for over 10 years and is pursuing her Master’s degree in Applied Behavior Analysis. She has a unique ability of taking the child’s clinical goals and bringing them into the home and school environment naturally.

Her dedication to her clients is evident in their continued progress. Having raised her 2 grown sons, she loves working with the children at OC Speech Services and spending time with her dogs and cats.

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Dana Simon

M.S., CCC-SLP (Speech Therapist)

Dana was born and raised in Southern California. She earned her Bachelor of Science Degree from Utah State University and her Master of Science Degree in Communicative Disorders from California State University, Northridge.

 

Dana has worked with children since she was in high school when she was a camp counselor and later on, as a mommy and me teacher while she was earning her Bachelor's degree. She knew that her leadership skills shined when she got to work with both the children and their parents, enriching and teaching their overall emotional, behavioral, and social development.

 

Her favorite part of working with OC Speech is the joy she gets to share with parents when she sees a child reach his/her/their goals both in the clinic and at home! In her free time, Dana enjoys spending time with her husband and 2-year-old son. 

Kayli Buckingham

A.A., SLPA (Speech Therapist)

Kayli Buckingham received her Associate of Science degree in speech language pathology assisting from Orange Coast College in 2017 and has been working in the field for 3 years. She has found a passion for early intervention therapy while working in the field. Kayli has had previous experience as a behavioral interventionist and respite caregiver before starting her career as a speech language pathology assistant.

She has always loved working with children, starting her first job babysitting a child with Down syndrome at the age of 16. In her free time she enjoys hiking, biking, and spending time with family and friends.
She is very excited to be a part of the OCSS team!

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Ruth Jones

SLPA (Speech Therapist, ABA Specialist)

Ruth Jones grew up in Washington State and moved to California, where she graduated from Biola University with a Bachelor’s degree in Psychology and from Cerritos Community College with her Speech Language Pathology Assistant degree. She has worked with children with Autism, since 2003, as a behavior interventionist and supervisor, working in schools, clinics, and homes in the Long Beach and Los Angeles County School Districts. She specializes in ABA, DTT, and Floor Time. Her experience in speech therapy includes individual and group sessions, with client populations ranging from pediatrics to adulthood, covering area deficits such as the following: oral motor, articulation, phonology, fluency, comprehension, social skills, co-treatment with occupational therapy, and more.

 

In her spare time, she enjoys running, hiking, baking, and hanging out with family and friends.

Catherine Do

SLPA (Speech Therapist)

I was born in Arlington, Virginia and moved to California in junior high school. I received my Associate of Science in Speech-Language Pathology Assistant at OCC. I am currently enrolled at California State University, Long Beach to finish my undergrad and continue my education to achieve my goal in acquiring my master’s degree. Before discovering my true love for speech-language pathology, I worked as an early childhood instructor, trained in implementing ABA techniques, and gained valuable experience working with behavior intervention.

 

I enjoy working with all ages ranging from pediatrics, adolescence, and early-late adulthood in numerous settings including school-based, home therapy, and now in the clinic setting. My therapy style consists of child-directed, play-based intervention with my little kiddos and an emphasis on socializing and being active participants in their lives and in society with my older clients. I believe that every individual is unique and amazing and I learn from my clients just as much as they learn from me everyday. I am passionate about family/caregiver involvement combined with our multidisciplinary team and strive to work together to make a difference. During my free time I enjoy traveling the world, reading endlessly, cliff jumping into the ocean, and camping in nature.

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Rochelle Draper

M.S., CF-SLP (Speech Therapist)

Rochelle has a Bachelor of Arts degree in Speech-Language and Hearing Sciences from The George Washington University. While balancing her rigorous school schedule she also played on the University’s Division I softball team the entire 4 years!  Rochelle is currently earning her Master’s degree in Communication Sciences and Disorders at Chapman University. During her undergraduate years, she worked at a local pediatric speech therapy clinic growing her knowledge of children with an Autism diagnosis as well as articulatory disorders. She also participated by leading a social pragmatic skills summer program there. While she is earning her Master’s degree to become a licensed Speech & Language Pathologist, Rochelle is working at OC Speech as a Speech Language Pathologist Assistant.

 

Rochelle has been working with children since she was in middle school as a softball instructor at a private facility. This experience allowed her the opportunity to coach young children and she developed the leadership skills required for working with children of all ages. Rochelle values being a role model for children and strives to make positive impacts in their lives.

 

In her free time, Rochelle loves to spend to time with her family and friends. She loves to engage in competitive sporting activities and absolutely loves game nights!

Hannah Brisson

M.S., CCC-SLP (Speech Therapist)

Hannah earned her Bachelor’s degree in Communication Sciences and Disorders at Biola University and her Master’s degree in Communication Sciences and Disorders at Longwood University in Virginia. Hannah has worked with children and adults with numerous medical conditions, communicative disorders, and developmental disabilities such as Autism Spectrum Disorder, Language Delay, Fluency Disorders, Articulation/Phonological Disorders, Down Syndrome, Apraxia, Dysarthria, Aphasia, and Dysphagia. 

 

Hannah has experience working in clinics, hospitals, and schools and especially loves working with children and being part of a multidisciplinary team to provide the best care possible for children and their families. Hannah is so excited to be a part of the team at OC Speech! 

 

In her free time, she enjoys running, cooking, reading, going to the beach, and spending time with friends and family.

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Sharlyn Steyman

M.A., CF-SLP (Speech Therapist)

Sharlyn was born locally in Fountain Valley and moved to the suburbs of Detroit, Michigan at the age of three. She received her Bachelor’s degree in English from Michigan State University and her Master’s degree in Communication Sciences and Disorders from Wayne State University. Throughout graduate school, she worked with children and adults from all walks of life with various communication disorders including Language Delay, Articulation/Phonological Disorders, Fluency Disorders, Traumatic Brain Injury, Aphasia, and Dysarthria. She really enjoyed the diversity of clinical experiences she had in the heart of Detroit and surrounding areas.


Sharlyn especially loves working with children and started to do so in high school as a piano and violin teacher. She has also worked as a summer camp counselor and substitute teacher. She is extremely passionate about helping them to grow in their confidence as they acquire new skills. Sharlyn is so excited to be back to her California roots and to be a part of the team at OC Speech Services! 


In her free time, she enjoys spending time with friends and family, playing tennis, dance fitness (mainly hip-hop), playing the piano and violin, and most of all, basking in the California sunshine. 

Ceilidh Jackson

B.A., SLPA/RBT (Speech Therapist) (ABA Therapist)

Ceilidh was born and raised in Huntington Beach, and received her Bachelor’s degree in Speech and Language Pathology from California State University, Long Beach. She has worked as a speech therapist for over two years, and loves working with children to build their speech and language skills. Her clinical experience includes treating areas such as articulation, language development, social interaction, fluency, and reading comprehension to name a few. Ceilidh also is a registered Behavior Technician she worked as an early intervention behavioral therapist providing ABA for children with Autism. As an ABA therapist she helped toddlers build language, communication, social, daily living, and self-regulatory skills. 

 

In her spare time, she loves to spend time with friends and family, reading, and visiting the beach.

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Maren McGuinness

B.A., RBT (ABA Therapist)

Maren received a Bachelor of Arts in Integrated Educational Studies at Chapman University, and an Early Childhood Assistant Teaching certificate through Santa Ana College. She found her passion for the field in 2014,  when she began volunteering as a summer camp counselor for children and adults with disabilities Since then, Maren has been working on positive behaviors, social skills, and independence in special education classrooms for both Garden Grove and Irvine school districts. As a Registered Behavior Technician, Maren’s next goal is to obtain her Masters in Behavior Analysis in hopes to become a BCBA. In her free time, she enjoys spending time with friends and family, traveling, eating good food, and playing with her two cats.

Occupational Therapists
Hollie Fassnacht 

COTA (Occupational Therapist) 

Hollie is a local girl who grew up in Costa Mesa, CA. She is the daughter of a CHP officer and an Art Teacher, and in turn has a gift for fairness and creativity that she credits her parents for. She is a full time parent to three fur-babies: a cat and two rescue dogs. She is also the “Fun Aunt” for 2 nieces and 2 nephews. 

 

Hollie started working with children from an early age teaching and coaching swimming. She realized how quickly children can grow when you make activities fun and individualized. Being a local girl, Hollie chose San Diego State for her Bachelor’s degree in Graphic Design and later on chose to switch careers to Occupational Therapy and Graduated from the program at SAC in 2010.

 

Hollie has experience with school based and clinic based OT and has experience in Sensory Integration, Feeding Intervention, Hand Writing Without Tears and Early Intervention.

Taylor Sheldrick

MS, OTR/L (Occupational Therapist)

Taylor grew up in Seattle,  Washington and moved to California when she was recruited to the California State University, Fullerton NCAA Gymnastics team.  She received her bachelors from CSUF and her Masters of Science in Occupational Therapy from Stanbridge University.  She has a background as an Early Childhood Specialist teaching children between the ages of 18 months to 4 years. She has always known her love for the pediatric setting, however, has experience with older adults as well. She participated in a study that determined the effectiveness of Scuba Diving paired with Occupational Therapy on Veterans diagnosed with Post-Traumatic Stress Disorder (PTSD). She also has experience in working at Skilled Nursing Facilities with older adults with a variety of diagnoses including stroke, Parkinson’s disease, joint replacement, heart disease, and feeding difficulties. 

 

She continues to follow her passion in the pediatric setting where she has experience with Autism, feeding difficulties including feeding tubes, sensory processing, early intervention,  and specialized training n Sequential Oral Sensory (SOS) Approach to Feeding, a trans-disciplinary program for assessing and treating children with feeding difficulties. In her spare time, Taylor enjoys taking her dog to the beach, training for half marathons, hiking, and spending time with her family. 

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Ariana LeBrun Collier

M.S., OTR/L (Occupational Therapist)

Ariana received her Bachelor of Arts Degrees in Psychology and Spanish from the University of California, Santa Barbara in 2008. After graduating, she began working with children providing ABA and parent training services working in homes, schools, and community-based settings. After doing this for several years, Ariana decided to pursue higher education to meet her clients’ and families’ needs more comprehensively. She received her Masters of Science Degree in Occupational Therapy in 2016 from California State University, Dominguez Hills.


Ariana’s passion for pediatrics stems from the creativity, excitement, and, at times, silliness involved in creating individualized treatment plans that motivate her clients. Caregiver involvement and ongoing education are central to her approach to therapy. She has experience with early intervention, routines-based intervention, sensorimotor-based feeding difficulties, and sensory processing disorders. Her continuing education has focused on Handwriting Without Tears, the SOS Approach to Feeding, Baby Led Weaning, and Sensory Processing Disorders.


Outside of work, Ariana values and enjoys time spent with her family, running, camping, and taking her dog on long walks to the park or beach. 

Emily Nguyen

B.S., COTA (Occupational Therapist)

Emily was born and raised in Northern California and moved to Southern California where she earned her bachelor's degree in Biological Sciences with a minor in Sociology from UC Irvine and her associate degree in OTA from Santa Ana College. Working with children brings her tons of joy, so she has spent many years volunteering and working with children in educational, relational, and healthcare settings. 

 

Emily had the privilege of completing fieldwork at OCSS where she gained invaluable experience in pediatric occupational therapy in the clinic setting and expanded her competency of sensory, feeding, and behavioral issues. She appreciates the multidisciplinary setting of OCSS and the collaboration it brings, and she has enjoyed being a part of the team since 2018. Emily loves how occupational therapy asks the question, "what matters to you?" rather than, "what's the matter with you?" and she is committed to providing quality care while helping children and families thrive in their best way possible. 

 

When she's not working, you'll find Emily playing with her son, watching movies with her husband, trying new recipes, or rearranging her living room. She's all about drinking tea and boba and (when not in quarantine) taking mini road trips and traveling to visit family, friends, and new places.

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Brenda Ruiz

COTA/L

Brenda was born and raised in Anaheim, California. Brenda received her Associates of Science degree in Occupational Therapy at ACC in Orange County, CA . Brenda has an interest in the area of feeding therapy and has skills and strategies in both the SOS approach to feeding therapy and strategies in the Beckman Oral Motor program. Brenda has plans to continue her education by returning to school to get her Master of Science to become an OTR and continue to treat our pediatric OT patients. Brenda always knew she wanted a career in a pediatric setting and a career that involved helping others. She has a true passion for OT and loves working the kids and their families at OC Speech! In her free time Brenda enjoys going on hikes in nature and spending time with her family, younger siblings and cousins.

Physical Therapists
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Kelsey Santos

MS, OTR/L (Occupational Therapist)

Kelsey grew up in Southern California and moved to Orange County to attend college at University of California, Irvine. She received her Bachelor of Arts Degree in Psychology and shortly after college, she worked as an ABA therapist serving children and families with diverse needs. As an ABA therapist she discovered her passion for serving children and families in the community and working with multidisciplinary team members in pediatrics. Kelsey then went on to receive her Master of Science in Occupational Therapy at California State University, Dominguez Hills.

As a practitioner, Kelsey has had the honor of conducting and disseminating scientific research for the field of occupational therapy. Her research on occupational therapy’s role in serving at risk youth has won state wide awards. Additionally, Kelsey is a published author for her research on Asian American caregivers and their experiences.

Kelsey’s clinical background includes experience in a rehabilitation hospital serving clients with stroke, traumatic brain injury, spinal cord injury, amputations, and orthopedic injuries. She also has had the honor of being both and volunteer (before she went to OT school) and an occupational therapy fieldwork student (while in OT school) at OC Speech and has loved being able to work with the amazing and resilient families at OC Speech. Her experience in pediatrics includes sensory processing, motor development, feeding, and emotional regulation.

Outside of the clinic, you can expect Kelsey to be enjoying the great outdoors! She loves visiting national parks, hiking, canyoneering, off-roading, cooking, and creating pottery, all while spending quality time with family and friends. 

Kimberly Iacobazzi

 PT, DPT (Physical Therapist)

Kimberly was born and raised in the suburbs of Chicago, Illinois, where she experienced physical therapy firsthand after a high school track injury. After intensive physical therapy, she went on to become a state champion track athlete. It was at that moment she knew she wanted to join the physical therapy profession. Kimberly received her B.S. in Kinesiology from San Diego State University in 2014 and went on to receive her Doctorate in physical therapy from Chapman University in 2017. Kimberly has fallen in love with the pediatric setting. She has worked with children from ages 0-21 years, with diagnoses such as cerebral palsy, spina bifida, autism spectrum disorder, down syndrome, spinal cord injury and muscular dystrophy. She has experience in clinic, early intervention, in-home, and school based models of pediatric physical therapy. Kimberly also has extensive experience in medical equipment, assessing, adjusting and ordering the appropriate device to allow her patients to be as independent and safe as possible. She emphasizes current evidence-based practice in all of her treatment plans and is committed to providing the highest standard of care for her patients, stressing family-centered care. Kimberly encourages caregiver involvement as often as possible to allow for children to achieve their optimal potential not only in the clinic, but also at home and in the community.

 

Kimberly enjoys spending her free time outdoors, practicing yoga, or volunteering at such organizations as Ability Ballet and Therapeutic Dance Intervention for Children with Cerebral Palsy.

Dana Williams

DPT (Physical Therapist)

Dana was born and raised in Burbank, California, where she cultivated an interest in athletics, sports medicine and the medical field. Combining these interests Dana received her B.S. in Kinesiology from California Polytechnic State University in San Luis Obispo. While achieving this degree she worked as a physical therapy aide where she was first exposed to pediatric physical therapy. She went on to receive her Doctorate in physical therapy from Chapman University in 2021. During her time at Chapman University Dana spent many hours volunteering and completing research with a pediatric focus, specifically Cerebral Palsy. She has experience treating children 0-21 years with a variety of diagnoses such as autism spectrum disorder, cerebral palsy, down syndrome, and developmental delays. As a practitioner Dana thrives in a multidisciplinary clinic to treat the entire child while encouraging caregiver involvement. Outside of the clinic, Dana enjoys spending her time outdoors, crafting, and with her family and friends.

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Sherilyn Baker

B.S., PTA (Physical Therapist Assistant)

Sherilyn was born and raised in Huntington Beach, California. After receiving physical therapy during her high school track season she knew that she wanted to change lives in this field. She was a collegiate heptathalete and recieved her bachelor's of science degree in Kinesiology from California State University, Long Beach. She went on to earn her degree and licensure as a Physical Therapy Assistant.

Sherilyn's time volunteering at Millers childrens hospital solidified her already strong passion for the pediatric population. She has an extensive background working with children with special needs and has experience working in hospital, school, and private clinic settings. She has found her passion is working in a multidisciplinary clinic, maximizing resources for each patients' highest level of development. Sherilyn has experience working with a range of diagnoses including autism, cerebral palsy, hypotonia, and muscular dystrophy. She strongly believes in family focused treatment, getting caregivers involved in each patients journey to reaching their goals, and play based therapy for her younger patients. Sherilyn approaches each treatment session with evidence based practice. All of these passions facilitate her patients' paths to becoming as independent as possible while reaching their full potential. Sherilyn thoroughly enjoys working at OC Speech Services where teamwork is used to make each patient's success the top priority.

Office Administrators
Betsy Sosa

B.S., Kinesiology,

Front Office Administrator

Betsy was born and raised in Long Beach, CA. She earned her bachelor’s degree in Kinesiology from California State University, Long Beach. Betsy’s background includes working at both an outpatient physical therapy clinic as well as a neurological clinic.

She volunteered at OC Speech Services back in 2018 and joined the team in 2020 as a front office administrator. She understands the needs of families and enjoys helping others. She also plans to pursue a career as an occupational therapist.

In her free time, she enjoys traveling, hiking, paddle boarding, and going to the beach.

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Julia Marcial

Front Desk Administrative Assistant

Julia was born and raised in Long Beach.  Growing up she always knew she wanted to help people in any way possible.  In High School she was a youth leader for her church and started working in a medical office.   Julia's background includes working in the medical field and spent 6 years working in an outpatient neurological physical therapy office. 

On her spare time, Julia runs a small business on the weekends called Cookies by Julala.  She loves supporting local small businesses.  Julia loves cruising up and down the Pacific Coast Hwy.  Exploring little cities along the way.   Julia is family oriented and loves being around her nieces and nephews.  

Julia joined the team in 2021 and is excited to meet and work with you all.

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Nicole received a Bachelor of Arts degree in International Security and Conflict Resolution from San Diego State University. Nicole has worked in logistics, manufacturing, and health care in executive, finance, and business operations roles.  

 

Nicole has dedicated countless hours and expertise working at Orange County Speech Services since 2015 and is a wealth of knowledge and support for the team.  Nicole brings innovation and entrepreneurship to the company while daily managing financial and non-clinical operations. She is the mother of 3 beautiful children and enjoys time with her family and extended family.

Nicole Masero

B.A., Director of Finance